CVE-2026-2474
highpriority · track · 0EPSS 0.003 · 27 %ileDEEUUSEPSS · scored 2026-10-24
Crypt::URandom versions from 0.41 before 0.55 for Perl is vulnerable to a heap buffer overflow in the XS function crypt_urandom_getrandom(). The function does not validate that the length parameter is non-negative. If a negative value (e.g. -1) is supplied, the expression length + 1u causes an integer wraparound, resulting in a zero-byte allocation. The subsequent call to getrandom(data, length, GRND_NONBLOCK) passes the original negative value, which is implicitly converted to a large unsigned value (typically SIZE_MAX). This can result in writes beyond the allocated buffer, leading to heap memory corruption and application crash (denial of service). In common usage, the length argument is typically hardcoded by the caller, which reduces the likelihood of attacker-controlled exploitation. Applications that pass untrusted input to this parameter may be affected.
remediations
Vendor fix, mitigation, or workaround guidance, as published by each source.
A vendor fix is available.
- Fixedperl-Crypt-URandom-0:0.550.0-1.6.1.aarch64 as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.6.1.ppc64le as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.6.1.s390x as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.6.1.x86_64 as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.6.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.1.aarch64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.1.ppc64le as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.1.s390x as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
- Fixedperl-Crypt-URandom-0:0.550.0-1.1.x86_64 as component of openSUSE Tumbleweedsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (26)
Products and version ranges known to be affected.
advisories (3)
Vendor and ecosystem advisories describing this.
- SUSE-SU-2026:1170-1Security update for perl-Crypt-URandom2026-04-02csaf · suse_csafDE
Security update for perl-Crypt-URandom
- WID-SEC-W-2026-0688cPanel cPanel/WHM: Mehrere SchwachstellenDeutsch2026-03-10csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in cPanel cPanel/WHM ausnutzen, um Sicherheitsvorkehrungen zu umgehen und einen Denial of Service zu verursachen.
- openSUSE-SU-2026:10414-1perl-Crypt-URandom-0.550.0-1.1 on GA media2026-03-24csaf · suse_csafDE
perl-Crypt-URandom-0.550.0-1.1 on GA media
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (7)
External citations — patches, advisories, analysis.
- https://metacpan.org/pod/Crypt::URandomPatchcnnvd
- https://metacpan.org/release/DDICK/Crypt-URandom-0.54/source/URandom.xs#L35-79cnnvd
- https://metacpan.org/release/DDICK/Crypt-URandom-0.55/source/Changescnnvd
- https://metacpan.org/release/DDICK/Crypt-URandom-0.54/source/URandom.xs#L35-79enisa_euvd
- https://metacpan.org/release/DDICK/Crypt-URandom-0.55/source/Changesenisa_euvd
- https://metacpan.org/release/DDICK/Crypt-URandom-0.54/source/URandom.xs#L35-79Issue Trackingnvd
- https://metacpan.org/release/DDICK/Crypt-URandom-0.55/source/ChangesProductRelease Notesnvd
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