CVE-2015-5309: opensuse leap Numeric Errors
Vulnerability summary
CVE-2015-5309 is a medium (CVSS 4.3) Numeric Errors vulnerability in opensuse leap. EPSS estimates a 3.47% chance of exploitation in the next 30 days, higher than 89% of scored vulnerabilities.
Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 07-12-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.47%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
No change 0.00 pp
From 3.47% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication (CVSS vector). Other conditions: not stated in public data.
Debian1 product
- putty< 0.66-1 | < 0.60+2010-02-20-1+squeeze4 | < 0.62-9+deb7u3 | < 0.63-10+deb8u1
Mageia1 product
- putty< 0.66-1.mga5
Simon_tatham1 product
- putty≤ 0.65
Ubuntu1 product
- putty< 0.66-1
5 vendors · 6 products
References
13 links
- lists.fedoraproject.org/pipermail/package-announce/2015-December/173021.htmlVendor AdvisoryX Refsource FEDORA
- lists.fedoraproject.org/pipermail/package-announce/2015-December/173094.htmlVendor AdvisoryX Refsource FEDORA
- www.chiark.greenend.org.uk/~sgtatham/putty/wishlist/vuln-ech-overflow.htmlX Refsource CONFIRMVendor AdvisoryWEBREPORT